题目内容
列竖式计算.
503×8=
307×7=
809×6=
208×4=
503×8=
307×7=
809×6=
208×4=
分析:根据整数乘法的计算法则,直接列竖式计算.
解答:解:503×8=4024;
![](http://thumb.1010pic.com/pic3/upload/images/201309/11/86444e60.png)
307×7=2149;
![](http://thumb.1010pic.com/pic3/upload/images/201309/11/046f584e.png)
809×6=4854;
![](http://thumb.1010pic.com/pic3/upload/images/201309/11/91a78b21.png)
208×4=832;
![](http://thumb.1010pic.com/pic3/upload/images/201309/11/536b8dca.png)
![](http://thumb.1010pic.com/pic3/upload/images/201309/11/86444e60.png)
307×7=2149;
![](http://thumb.1010pic.com/pic3/upload/images/201309/11/046f584e.png)
809×6=4854;
![](http://thumb.1010pic.com/pic3/upload/images/201309/11/91a78b21.png)
208×4=832;
![](http://thumb.1010pic.com/pic3/upload/images/201309/11/536b8dca.png)
点评:此题考查的目的是理解整数乘法的意义,掌握因数中间有0的乘法的计算法则.
![](http://thumb2018.1010pic.com/images/loading.gif)
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